3 # This is the specification for the ia32 assembler Firm-operations
5 # the cpu architecture (ia32, ia64, mips, sparc, ppc, ...)
8 # this string marks the beginning of a comment in emit
9 $comment_string = "/*";
11 # the number of additional opcodes you want to register
12 #$additional_opcodes = 0;
14 # The node description is done as a perl hash initializer with the
15 # following structure:
20 # "op_flags" => "N|L|C|X|I|F|Y|H|c|K",
21 # "irn_flags" => "R|N|I"
22 # "arity" => "0|1|2|3 ... |variable|dynamic|any",
23 # "state" => "floats|pinned|mem_pinned|exc_pinned",
25 # { "type" => "type 1", "name" => "name 1" },
26 # { "type" => "type 2", "name" => "name 2" },
29 # "comment" => "any comment for constructor",
30 # "reg_req" => { "in" => [ "reg_class|register" ], "out" => [ "reg_class|register|in_rX" ] },
31 # "cmp_attr" => "c source code for comparing node attributes",
32 # "emit" => "emit code with templates",
33 # "attr" => "attitional attribute arguments for constructor"
34 # "init_attr" => "emit attribute initialization template"
35 # "rd_constructor" => "c source code which constructs an ir_node"
38 # ... # (all nodes you need to describe)
40 # ); # close the %nodes initializer
42 # op_flags: flags for the operation, OPTIONAL (default is "N")
43 # the op_flags correspond to the firm irop_flags:
46 # C irop_flag_commutative
47 # X irop_flag_cfopcode
48 # I irop_flag_ip_cfopcode
51 # H irop_flag_highlevel
52 # c irop_flag_constlike
55 # irn_flags: special node flags, OPTIONAL (default is 0)
56 # following irn_flags are supported:
59 # I ignore for register allocation
61 # state: state of the operation, OPTIONAL (default is "floats")
63 # arity: arity of the operation, MUST NOT BE OMITTED
65 # args: the OPTIONAL arguments of the node constructor (debug, irg and block
66 # are always the first 3 arguments and are always autmatically
68 # If this key is missing the following arguments will be created:
69 # for i = 1 .. arity: ir_node *op_i
72 # outs: if a node defines more than one output, the names of the projections
73 # nodes having outs having automatically the mode mode_T
75 # comment: OPTIONAL comment for the node constructor
77 # rd_constructor: for every operation there will be a
78 # new_rd_<arch>_<op-name> function with the arguments from above
79 # which creates the ir_node corresponding to the defined operation
80 # you can either put the complete source code of this function here
82 # This key is OPTIONAL. If omitted, the following constructor will
84 # if (!op_<arch>_<op-name>) assert(0);
88 # res = new_ir_node(db, irg, block, op_<arch>_<op-name>, mode, arity, in)
91 # NOTE: rd_constructor and args are only optional if and only if arity is 0,1,2 or 3
95 # 1 - caller save (register must be saved by the caller of a function)
96 # 2 - callee save (register must be saved by the called function)
97 # 4 - ignore (do not assign this register)
98 # NOTE: Last entry of each class is the largest Firm-Mode a register can hold
101 { "name" => "eax", "type" => 1 },
102 { "name" => "edx", "type" => 1 },
103 { "name" => "ebx", "type" => 2 },
104 { "name" => "ecx", "type" => 1 },
105 { "name" => "esi", "type" => 2 },
106 { "name" => "edi", "type" => 2 },
107 # { "name" => "r11", "type" => 1 },
108 # { "name" => "r12", "type" => 1 },
109 # { "name" => "r13", "type" => 1 },
110 # { "name" => "r14", "type" => 1 },
111 # { "name" => "r15", "type" => 1 },
112 # { "name" => "r16", "type" => 1 },
113 # { "name" => "r17", "type" => 1 },
114 # { "name" => "r18", "type" => 1 },
115 # { "name" => "r19", "type" => 1 },
116 # { "name" => "r20", "type" => 1 },
117 # { "name" => "r21", "type" => 1 },
118 # { "name" => "r22", "type" => 1 },
119 # { "name" => "r23", "type" => 1 },
120 # { "name" => "r24", "type" => 1 },
121 # { "name" => "r25", "type" => 1 },
122 # { "name" => "r26", "type" => 1 },
123 # { "name" => "r27", "type" => 1 },
124 # { "name" => "r28", "type" => 1 },
125 # { "name" => "r29", "type" => 1 },
126 # { "name" => "r30", "type" => 1 },
127 # { "name" => "r31", "type" => 1 },
128 # { "name" => "r32", "type" => 1 },
129 { "name" => "ebp", "type" => 2 },
130 { "name" => "esp", "type" => 4 },
131 { "name" => "gp_NOREG", "type" => 6 }, # we need a dummy register for NoReg nodes
132 { "name" => "gp_UKNWN", "type" => 6 }, # we need a dummy register for Unknown nodes
133 { "mode" => "mode_P" }
136 { "name" => "xmm0", "type" => 1 },
137 { "name" => "xmm1", "type" => 1 },
138 { "name" => "xmm2", "type" => 1 },
139 { "name" => "xmm3", "type" => 1 },
140 { "name" => "xmm4", "type" => 1 },
141 { "name" => "xmm5", "type" => 1 },
142 { "name" => "xmm6", "type" => 1 },
143 { "name" => "xmm7", "type" => 1 },
144 { "name" => "xmm_NOREG", "type" => 6 }, # we need a dummy register for NoReg nodes
145 { "name" => "xmm_UKNWN", "type" => 6 }, # we need a dummy register for Unknown nodes
146 { "mode" => "mode_D" }
149 { "name" => "vf0", "type" => 1 },
150 { "name" => "vf1", "type" => 1 },
151 { "name" => "vf2", "type" => 1 },
152 { "name" => "vf3", "type" => 1 },
153 { "name" => "vf4", "type" => 1 },
154 { "name" => "vf5", "type" => 1 },
155 { "name" => "vf6", "type" => 1 },
156 { "name" => "vf7", "type" => 1 },
157 { "name" => "vfp_NOREG", "type" => 6 }, # we need a dummy register for NoReg nodes
158 { "name" => "vfp_UKNWN", "type" => 6 }, # we need a dummy register for Unknown nodes
159 { "mode" => "mode_E" }
162 { "name" => "st0", "type" => 1 },
163 { "name" => "st1", "type" => 1 },
164 { "name" => "st2", "type" => 1 },
165 { "name" => "st3", "type" => 1 },
166 { "name" => "st4", "type" => 1 },
167 { "name" => "st5", "type" => 1 },
168 { "name" => "st6", "type" => 1 },
169 { "name" => "st7", "type" => 1 },
170 { "mode" => "mode_E" }
174 #--------------------------------------------------#
177 # _ __ _____ __ _ _ __ ___ _ __ ___ #
178 # | '_ \ / _ \ \ /\ / / | | '__| / _ \| '_ \/ __| #
179 # | | | | __/\ V V / | | | | (_) | |_) \__ \ #
180 # |_| |_|\___| \_/\_/ |_|_| \___/| .__/|___/ #
183 #--------------------------------------------------#
190 #-----------------------------------------------------------------#
193 # _ _ __ | |_ ___ __ _ ___ _ __ _ __ ___ __| | ___ ___ #
194 # | | '_ \| __/ _ \/ _` |/ _ \ '__| | '_ \ / _ \ / _` |/ _ \/ __| #
195 # | | | | | || __/ (_| | __/ | | | | | (_) | (_| | __/\__ \ #
196 # |_|_| |_|\__\___|\__, |\___|_| |_| |_|\___/ \__,_|\___||___/ #
199 #-----------------------------------------------------------------#
201 # commutative operations
204 # All nodes supporting Addressmode have 5 INs:
205 # 1 - base r1 == NoReg in case of no AM or no base
206 # 2 - index r2 == NoReg in case of no AM or no index
207 # 3 - op1 r3 == always present
208 # 4 - op2 r4 == NoReg in case of immediate operation
209 # 5 - mem NoMem in case of no AM otherwise it takes the mem from the Load
213 "comment" => "construct Add: Add(a, b) = Add(b, a) = a + b",
214 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
215 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
216 "emit" => '. add %ia32_emit_binop /* Add(%A3, %A4) -> %D1 */',
217 "outs" => [ "res", "M" ],
221 "comment" => "construct Add with Carry: AddC(a, b) = Add(b, a) = a + b + carry",
222 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
223 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
224 "emit" => '. adc %ia32_emit_binop /* AddC(%A3, %A4) -> %D1 */',
225 "outs" => [ "res", "M" ],
231 "cmp_attr" => " return 1;\n",
232 "comment" => "construct lowered Add: Add(a, b) = Add(b, a) = a + b",
238 "cmp_attr" => " return 1;\n",
239 "comment" => "construct lowered Add with Carry: AddC(a, b) = Add(b, a) = a + b + carry",
244 "comment" => "construct MulS: MulS(a, b) = MulS(b, a) = a * b",
245 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
246 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "eax in_r3", "edx" ] },
247 "emit" => '. mul %ia32_emit_unop /* Mul(%A1, %A2) -> %D1 */',
248 "outs" => [ "EAX", "EDX", "M" ],
253 "cmp_attr" => " return 1;\n",
254 "comment" => "construct lowered MulS: MulS(a, b) = MulS(b, a) = a * b",
255 "outs" => [ "EAX", "EDX", "M" ],
261 "comment" => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
262 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
263 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
264 "emit" => '. imul %ia32_emit_binop /* Mul(%A1, %A2) -> %D1 */',
265 "outs" => [ "res", "M" ],
270 "cmp_attr" => " return 1;\n",
271 "comment" => "construct lowered Mul: Mul(a, b) = Mul(b, a) = a * b",
275 # Mulh is an exception from the 4 INs with AM because the target is always EAX:EDX
277 "comment" => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
278 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
279 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "eax in_r3", "edx" ] },
280 "emit" => '. imul %ia32_emit_unop /* Mulh(%A1, %A2) -> %D1 */',
281 "outs" => [ "EAX", "EDX", "M" ],
286 "comment" => "construct And: And(a, b) = And(b, a) = a AND b",
287 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
288 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
289 "emit" => '. and %ia32_emit_binop /* And(%A1, %A2) -> %D1 */',
290 "outs" => [ "res", "M" ],
295 "comment" => "construct Or: Or(a, b) = Or(b, a) = a OR b",
296 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
297 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
298 "emit" => '. or %ia32_emit_binop /* Or(%A1, %A2) -> %D1 */',
299 "outs" => [ "res", "M" ],
304 "comment" => "construct Eor: Eor(a, b) = Eor(b, a) = a EOR b",
305 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
306 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
307 "emit" => '. xor %ia32_emit_binop /* Xor(%A1, %A2) -> %D1 */',
308 "outs" => [ "res", "M" ],
313 "cmp_attr" => " return 1;\n",
314 "comment" => "construct lowered Eor: Eor(a, b) = Eor(b, a) = a EOR b",
320 "comment" => "construct Max: Max(a, b) = Max(b, a) = a > b ? a : b",
321 "reg_req" => { "in" => [ "gp", "gp" ], "out" => [ "in_r1" ] },
323 '2. cmp %S1, %S2 /* prepare Max (%S1 - %S2), (%A1, %A2) */
324 if (mode_is_signed(get_irn_mode(n))) {
325 4. cmovl %D1, %S2 /* %S1 is less %S2 */
328 4. cmovb %D1, %S2 /* %S1 is below %S2 */
335 "comment" => "construct Min: Min(a, b) = Min(b, a) = a < b ? a : b",
336 "reg_req" => { "in" => [ "gp", "gp" ], "out" => [ "in_r1" ] },
338 '2. cmp %S1, %S2 /* prepare Min (%S1 - %S2), (%A1, %A2) */
339 if (mode_is_signed(get_irn_mode(n))) {
340 2. cmovg %D1, %S2 /* %S1 is greater %S2 */
343 2. cmova %D1, %S2, %D1 /* %S1 is above %S2 */
348 # not commutative operations
352 "comment" => "construct Sub: Sub(a, b) = a - b",
353 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
354 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
355 "emit" => '. sub %ia32_emit_binop /* Sub(%A3, %A4) -> %D1 */',
356 "outs" => [ "res", "M" ],
360 "comment" => "construct Sub with Carry: SubC(a, b) = a - b - carry",
361 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
362 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
363 "emit" => '. sbb %ia32_emit_binop /* SubC(%A3, %A4) -> %D1 */',
364 "outs" => [ "res", "M" ],
369 "cmp_attr" => " return 1;\n",
370 "comment" => "construct lowered Sub: Sub(a, b) = a - b",
375 "cmp_attr" => " return 1;\n",
376 "comment" => "construct lowered Sub with Carry: SubC(a, b) = a - b - carry",
382 "state" => "exc_pinned",
383 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "eax in_r1", "edx in_r3" ] },
384 "attr" => "ia32_op_flavour_t dm_flav",
385 "init_attr" => " attr->data.op_flav = dm_flav;",
386 "cmp_attr" => " return attr_a->data.op_flav != attr_b->data.op_flav;\n",
388 ' if (mode_is_signed(get_ia32_res_mode(n))) {
389 4. idiv %S2 /* signed DivMod(%S1, %S2) -> %D1, (%A1, %A2, %A3) */
392 4. div %S2 /* unsigned DivMod(%S1, %S2) -> %D1, (%A1, %A2, %A3) */
395 "outs" => [ "div_res", "mod_res", "M" ],
400 "comment" => "construct Shl: Shl(a, b) = a << b",
401 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
402 "reg_req" => { "in" => [ "gp", "gp", "gp", "ecx", "none" ], "out" => [ "in_r3 !in_r4" ] },
403 "emit" => '. shl %ia32_emit_binop /* Shl(%A1, %A2) -> %D1 */',
404 "outs" => [ "res", "M" ],
408 "cmp_attr" => " return 1;\n",
409 "comment" => "construct lowered Shl: Shl(a, b) = a << b",
415 "comment" => "construct ShlD: ShlD(a, b, c) = a, b << count (shift left count bits from b into a)",
416 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
417 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "ecx", "none" ], "out" => [ "in_r3 !in_r5" ] },
420 if (get_ia32_immop_type(n) == ia32_ImmNone) {
421 if (get_ia32_op_type(n) == ia32_AddrModeD) {
422 4. shld %ia32_emit_am, %S4, %%cl /* ShlD(%A3, %A4, %A5) -> %D1 */
425 4. shld %S3, %S4, %%cl /* ShlD(%A3, %A4, %A5) -> %D1 */
429 if (get_ia32_op_type(n) == ia32_AddrModeD) {
430 4. shld %ia32_emit_am, %S4, %C /* ShlD(%A3, %A4, %A5) -> %D1 */
433 4. shld %S3, %S4, %C /* ShlD(%A3, %A4, %A5) -> %D1 */
437 "outs" => [ "res", "M" ],
441 "cmp_attr" => " return 1;\n",
442 "comment" => "construct lowered ShlD: ShlD(a, b, c) = a, b << count (shift left count bits from b into a)",
448 "comment" => "construct Shr: Shr(a, b) = a >> b",
449 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
450 "reg_req" => { "in" => [ "gp", "gp", "gp", "ecx", "none" ], "out" => [ "in_r3 !in_r4" ] },
451 "emit" => '. shr %ia32_emit_binop /* Shr(%A1, %A2) -> %D1 */',
452 "outs" => [ "res", "M" ],
456 "cmp_attr" => " return 1;\n",
457 "comment" => "construct lowered Shr: Shr(a, b) = a << b",
463 "comment" => "construct ShrD: ShrD(a, b, c) = a, b >> count (shift rigth count bits from a into b)",
464 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
465 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "ecx", "none" ], "out" => [ "in_r3 !in_r5" ] },
468 if (get_ia32_immop_type(n) == ia32_ImmNone) {
469 if (get_ia32_op_type(n) == ia32_AddrModeD) {
470 4. shrd %ia32_emit_am, %S4, %%cl /* ShrD(%A3, %A4, %A5) -> %D1 */
473 4. shrd %S3, %S4, %%cl /* ShrD(%A3, %A4, %A5) -> %D1 */
477 if (get_ia32_op_type(n) == ia32_AddrModeD) {
478 4. shrd %ia32_emit_am, %S4, %C /* ShrD(%A3, %A4, %A5) -> %D1 */
481 4. shrd %S3, %S4, %C /* ShrD(%A3, %A4, %A5) -> %D1 */
485 "outs" => [ "res", "M" ],
489 "cmp_attr" => " return 1;\n",
490 "comment" => "construct lowered ShrD: ShrD(a, b, c) = a, b >> count (shift rigth count bits from a into b)",
496 "comment" => "construct Shrs: Shrs(a, b) = a >> b",
497 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
498 "reg_req" => { "in" => [ "gp", "gp", "gp", "ecx", "none" ], "out" => [ "in_r3 !in_r4" ] },
499 "emit" => '. sar %ia32_emit_binop /* Shrs(%A1, %A2) -> %D1 */',
500 "outs" => [ "res", "M" ],
504 "cmp_attr" => " return 1;\n",
505 "comment" => "construct lowered Shrs: Shrs(a, b) = a << b",
511 "comment" => "construct RotR: RotR(a, b) = a ROTR b",
512 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
513 "reg_req" => { "in" => [ "gp", "gp", "gp", "ecx", "none" ], "out" => [ "in_r3 !in_r4" ] },
514 "emit" => '. ror %ia32_emit_binop /* RotR(%A1, %A2) -> %D1 */',
515 "outs" => [ "res", "M" ],
520 "comment" => "construct RotL: RotL(a, b) = a ROTL b",
521 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
522 "reg_req" => { "in" => [ "gp", "gp", "gp", "ecx", "none" ], "out" => [ "in_r3 !in_r4" ] },
523 "emit" => '. rol %ia32_emit_binop /* RotL(%A1, %A2) -> %D1 */',
524 "outs" => [ "res", "M" ],
531 "comment" => "construct Minus: Minus(a) = -a",
532 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
533 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
534 "emit" => '. neg %ia32_emit_unop /* Neg(%A1) -> %D1, (%A1) */',
535 "outs" => [ "res", "M" ],
539 "cmp_attr" => " return 1;\n",
540 "comment" => "construct lowered Minus: Minus(a) = -a",
546 "comment" => "construct Increment: Inc(a) = a++",
547 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
548 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
549 "emit" => '. inc %ia32_emit_unop /* Inc(%S1) -> %D1, (%A1) */',
550 "outs" => [ "res", "M" ],
555 "comment" => "construct Decrement: Dec(a) = a--",
556 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
557 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
558 "emit" => '. dec %ia32_emit_unop /* Dec(%S1) -> %D1, (%A1) */',
559 "outs" => [ "res", "M" ],
564 "comment" => "construct Not: Not(a) = !a",
565 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
566 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "in_r3" ] },
567 "emit" => '. not %ia32_emit_unop /* Not(%S1) -> %D1, (%A1) */',
568 "outs" => [ "res", "M" ],
574 "op_flags" => "L|X|Y",
575 "comment" => "construct conditional jump: CMP A, B && JMPxx LABEL",
576 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
577 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ] },
578 "outs" => [ "false", "true" ],
582 "op_flags" => "L|X|Y",
583 "comment" => "construct conditional jump: TEST A, B && JMPxx LABEL",
584 "reg_req" => { "in" => [ "gp", "gp" ] },
585 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
586 "outs" => [ "false", "true" ],
590 "op_flags" => "L|X|Y",
591 "comment" => "construct conditional jump without CMP (replaces CondJmp): JMPxx LABEL",
592 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
593 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "none", "none" ] },
594 "outs" => [ "false", "true" ],
598 "op_flags" => "L|X|Y",
599 "comment" => "construct conditional jump without CMP (replaces TestJmp): JMPxx LABEL",
600 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
601 "reg_req" => { "in" => [ "gp", "gp" ] },
605 "op_flags" => "L|X|Y",
606 "comment" => "construct switch",
607 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
608 "reg_req" => { "in" => [ "gp" ], "out" => [ "none" ] },
614 "comment" => "represents an integer constant",
615 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
616 "reg_req" => { "in" => [ "none" ], "out" => [ "gp" ] },
621 "comment" => "construct CDQ: sign extend EAX -> EDX:EAX",
622 "reg_req" => { "in" => [ "gp" ], "out" => [ "eax in_r1", "edx" ] },
623 "emit" => '. cdq /* sign extend EAX -> EDX:EAX, (%A1) */',
624 "outs" => [ "EAX", "EDX" ],
632 "state" => "exc_pinned",
633 "comment" => "construct Load: Load(ptr, mem) = LD ptr -> reg",
634 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
635 "reg_req" => { "in" => [ "gp", "gp", "none" ], "out" => [ "gp" ] },
637 ' if (get_mode_size_bits(get_ia32_ls_mode(n)) < 32) {
638 4. mov%Mx %D1, %ia32_emit_am /* Load((%A1)) -> %D1 */
641 4. mov %D1, %ia32_emit_am /* Load((%A1)) -> %D1 */
644 "outs" => [ "res", "M" ],
649 "cmp_attr" => " return 1;\n",
650 "comment" => "construct lowered Load: Load(ptr, mem) = LD ptr -> reg",
651 "outs" => [ "res", "M" ],
657 "cmp_attr" => " return 1;\n",
658 "state" => "exc_pinned",
659 "comment" => "construct lowered Store: Store(ptr, val, mem) = ST ptr,val",
666 "state" => "exc_pinned",
667 "comment" => "construct Store: Store(ptr, val, mem) = ST ptr,val",
668 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
669 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ] },
670 "emit" => '. mov %ia32_emit_binop /* Store(%A3) -> (%A1) */',
676 "state" => "exc_pinned",
677 "comment" => "construct 8Bit Store: Store(ptr, val, mem) = ST ptr,val",
678 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
679 "reg_req" => { "in" => [ "gp", "gp", "eax ebx ecx edx", "none" ] },
680 "emit" => '. mov %ia32_emit_binop /* Store(%A3) -> (%A1) */',
686 "comment" => "construct Lea: Lea(a,b) = lea [a+b*const+offs] | res = a + b * const + offs with const = 0,1,2,4,8",
687 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
688 "reg_req" => { "in" => [ "gp", "gp" ], "out" => [ "in_r1" ] },
689 "emit" => '. lea %D1, %ia32_emit_am /* LEA(%A1, %A2) */'
693 "comment" => "push a gp register on the stack",
694 "reg_req" => { "in" => [ "esp", "gp", "none" ], "out" => [ "esp" ] },
696 if (get_ia32_id_cnst(n)) {
697 if (get_ia32_immop_type(n) == ia32_ImmConst) {
698 . push %C /* Push(%A2) */
700 . push OFFSET FLAT:%C /* Push(%A2) */
704 . push %S2 /* Push(%A2) */
707 "outs" => [ "stack", "M" ],
711 "comment" => "pop a gp register from the stack",
712 "reg_req" => { "in" => [ "esp", "none" ], "out" => [ "gp", "esp" ] },
713 "emit" => '. pop %D1 /* Pop -> %D1 */',
714 "outs" => [ "res", "stack", "M" ],
718 "comment" => "create stack frame",
719 "reg_req" => { "in" => [ "esp" ], "out" => [ "ebp", "esp" ] },
720 "emit" => '. enter /* Enter */',
721 "outs" => [ "frame", "stack", "M" ],
725 "comment" => "destroy stack frame",
726 "reg_req" => { "in" => [ "esp", "ebp" ], "out" => [ "ebp", "esp" ] },
727 "emit" => '. leave /* Leave */',
728 "outs" => [ "frame", "stack", "M" ],
731 #-----------------------------------------------------------------------------#
732 # _____ _____ ______ __ _ _ _ #
733 # / ____/ ____| ____| / _| | | | | | #
734 # | (___| (___ | |__ | |_| | ___ __ _| |_ _ __ ___ __| | ___ ___ #
735 # \___ \\___ \| __| | _| |/ _ \ / _` | __| | '_ \ / _ \ / _` |/ _ \/ __| #
736 # ____) |___) | |____ | | | | (_) | (_| | |_ | | | | (_) | (_| | __/\__ \ #
737 # |_____/_____/|______| |_| |_|\___/ \__,_|\__| |_| |_|\___/ \__,_|\___||___/ #
738 #-----------------------------------------------------------------------------#
740 # commutative operations
744 "comment" => "construct SSE Add: Add(a, b) = Add(b, a) = a + b",
745 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
746 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3" ] },
747 "emit" => '. adds%M %ia32_emit_binop /* SSE Add(%A3, %A4) -> %D1 */',
748 "outs" => [ "res", "M" ],
753 "comment" => "construct SSE Mul: Mul(a, b) = Mul(b, a) = a * b",
754 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
755 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3" ] },
756 "emit" => '. muls%M %ia32_emit_binop /* SSE Mul(%A3, %A4) -> %D1 */',
757 "outs" => [ "res", "M" ],
762 "comment" => "construct SSE Max: Max(a, b) = Max(b, a) = a > b ? a : b",
763 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
764 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3" ] },
765 "emit" => '. maxs%M %ia32_emit_binop /* SSE Max(%A3, %A4) -> %D1 */',
766 "outs" => [ "res", "M" ],
771 "comment" => "construct SSE Min: Min(a, b) = Min(b, a) = a < b ? a : b",
772 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
773 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3" ] },
774 "emit" => '. mins%M %ia32_emit_binop /* SSE Min(%A3, %A4) -> %D1 */',
775 "outs" => [ "res", "M" ],
780 "comment" => "construct SSE And: And(a, b) = a AND b",
781 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
782 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3" ] },
783 "emit" => '. andp%M %ia32_emit_binop /* SSE And(%A3, %A4) -> %D1 */',
784 "outs" => [ "res", "M" ],
789 "comment" => "construct SSE Or: Or(a, b) = a OR b",
790 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
791 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3" ] },
792 "emit" => '. orp%M %ia32_emit_binop /* SSE Or(%A3, %A4) -> %D1 */',
793 "outs" => [ "res", "M" ],
798 "comment" => "construct SSE Eor: Eor(a, b) = a XOR b",
799 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
800 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3" ] },
801 "emit" => '. xorp%M %ia32_emit_binop /* SSE Xor(%A3, %A4) -> %D1 */',
802 "outs" => [ "res", "M" ],
805 # not commutative operations
809 "comment" => "construct SSE AndNot: AndNot(a, b) = a AND NOT b",
810 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
811 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3 !in_r4" ] },
812 "emit" => '. andnp%M %ia32_emit_binop /* SSE AndNot(%A3, %A4) -> %D1 */',
813 "outs" => [ "res", "M" ],
818 "comment" => "construct SSE Sub: Sub(a, b) = a - b",
819 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
820 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3" ] },
821 "emit" => '. subs%M %ia32_emit_binop /* SSE Sub(%A1, %A2) -> %D1 */',
822 "outs" => [ "res", "M" ],
827 "comment" => "construct SSE Div: Div(a, b) = a / b",
828 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
829 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3 !in_r4" ] },
830 "emit" => '. divs%M %ia32_emit_binop /* SSE Div(%A1, %A2) -> %D1 */',
831 "outs" => [ "res", "M" ],
838 "comment" => "construct SSE Compare: Cmp(a, b) == a = a cmp b",
839 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "in_r3 !in_r4" ] },
840 "outs" => [ "res", "M" ],
844 "op_flags" => "L|X|Y",
845 "comment" => "construct conditional jump: UCOMIS A, B && JMPxx LABEL",
846 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
847 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "none", "none" ] },
848 "outs" => [ "false", "true" ],
854 "comment" => "represents a SSE constant",
855 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
856 "reg_req" => { "in" => [ "none" ], "out" => [ "xmm" ] },
857 "emit" => '. movs%M %D1, %C /* Load fConst into register */',
865 "state" => "exc_pinned",
866 "comment" => "construct SSE Load: Load(ptr, mem) = LD ptr",
867 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
868 "reg_req" => { "in" => [ "gp", "gp", "none" ], "out" => [ "xmm" ] },
869 "emit" => '. movs%M %D1, %ia32_emit_am /* Load((%A1)) -> %D1 */',
870 "outs" => [ "res", "M" ],
875 "state" => "exc_pinned",
876 "comment" => "construct Store: Store(ptr, val, mem) = ST ptr,val",
877 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
878 "reg_req" => { "in" => [ "gp", "gp", "xmm", "none" ] },
879 "emit" => '. movs%M %ia32_emit_binop /* Store(%S3) -> (%A1) */',
885 "comment" => "construct: transfer a value from x87 FPU into a SSE register",
886 "cmp_attr" => " return 1;\n",
892 "comment" => "construct: transfer a value from SSE register to x87 FPU",
893 "cmp_attr" => " return 1;\n",
902 "comment" => "implements a memcopy: CopyB(dst, src, size, mem) == memcpy(dst, src, size)",
903 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "edi in_r1", "esi in_r2", "ecx in_r3", "none" ] },
904 "outs" => [ "DST", "SRC", "CNT", "M" ],
910 "comment" => "implements a memcopy: CopyB(dst, src, mem) == memcpy(dst, src, attr(size))",
911 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
912 "reg_req" => { "in" => [ "gp", "gp", "none" ], "out" => [ "edi in_r1", "esi in_r2", "none" ] },
913 "outs" => [ "DST", "SRC", "M" ],
919 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "in_r3", "none" ] },
920 "cmp_attr" => " return ia32_compare_conv_attr(attr_a, attr_b);\n",
921 "comment" => "construct Conv Int -> Int",
922 "outs" => [ "res", "M" ],
926 "reg_req" => { "in" => [ "gp", "gp", "eax ebx ecx edx", "none" ], "out" => [ "in_r3", "none" ] },
927 "cmp_attr" => " return ia32_compare_conv_attr(attr_a, attr_b);\n",
928 "comment" => "construct Conv Int -> Int",
929 "outs" => [ "res", "M" ],
933 "reg_req" => { "in" => [ "gp", "gp", "gp", "none" ], "out" => [ "xmm", "none" ] },
934 "cmp_attr" => " return ia32_compare_conv_attr(attr_a, attr_b);\n",
935 "comment" => "construct Conv Int -> Floating Point",
936 "outs" => [ "res", "M" ],
940 "reg_req" => { "in" => [ "gp", "gp", "xmm", "none" ], "out" => [ "gp", "none" ] },
941 "cmp_attr" => " return ia32_compare_conv_attr(attr_a, attr_b);\n",
942 "comment" => "construct Conv Floating Point -> Int",
943 "outs" => [ "res", "M" ],
947 "reg_req" => { "in" => [ "gp", "gp", "xmm", "none" ], "out" => [ "xmm", "none" ] },
948 "cmp_attr" => " return ia32_compare_conv_attr(attr_a, attr_b);\n",
949 "comment" => "construct Conv Floating Point -> Floating Point",
950 "outs" => [ "res", "M" ],
955 "comment" => "construct Conditional Move: CMov(sel, a, b) == sel ? a : b",
956 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp" ], "out" => [ "in_r4" ] }
961 "comment" => "check if Psi condition tree evaluates to true and move result accordingly",
962 "reg_req" => { "in" => [ "gp", "gp", "gp" ], "out" => [ "in_r3" ] }
967 "comment" => "construct Conditional Move: SSE Compare + int CMov ",
968 "reg_req" => { "in" => [ "xmm", "xmm", "gp", "gp" ], "out" => [ "in_r4" ] }
973 "comment" => "construct Conditional Move: x87 Compare + int CMov",
974 "reg_req" => { "in" => [ "vfp", "vfp", "gp", "gp" ], "out" => [ "in_r4" ] }
979 "comment" => "construct Set: Set(sel) == sel ? 1 : 0",
980 "reg_req" => { "in" => [ "gp", "gp", "gp", "gp", "none" ], "out" => [ "eax ebx ecx edx", "none" ] },
981 "outs" => [ "res", "M" ],
986 "comment" => "check if Psi condition tree evaluates to true and set result accordingly",
987 "reg_req" => { "in" => [ "gp" ], "out" => [ "eax ebx ecx edx" ] },
992 "comment" => "construct Set: SSE Compare + int Set",
993 "reg_req" => { "in" => [ "gp", "gp", "xmm", "xmm", "none" ], "out" => [ "eax ebx ecx edx", "none" ] },
994 "outs" => [ "res", "M" ],
999 "comment" => "construct Set: x87 Compare + int Set",
1000 "reg_req" => { "in" => [ "gp", "gp", "vfp", "vfp", "none" ], "out" => [ "eax ebx ecx edx", "none" ] },
1001 "outs" => [ "res", "M" ],
1006 "comment" => "construct x87 Conditional Move: vfCMov(sel, a, b) = sel ? a : b",
1007 "reg_req" => { "in" => [ "vfp", "vfp", "vfp", "vfp" ], "out" => [ "vfp" ] }
1010 #----------------------------------------------------------#
1012 # (_) | | | | / _| | | | #
1013 # __ ___ _ __| |_ _ _ __ _| | | |_| | ___ __ _| |_ #
1014 # \ \ / / | '__| __| | | |/ _` | | | _| |/ _ \ / _` | __| #
1015 # \ V /| | | | |_| |_| | (_| | | | | | | (_) | (_| | |_ #
1016 # \_/ |_|_| \__|\__,_|\__,_|_| |_| |_|\___/ \__,_|\__| #
1018 # _ __ ___ __| | ___ ___ #
1019 # | '_ \ / _ \ / _` |/ _ \/ __| #
1020 # | | | | (_) | (_| | __/\__ \ #
1021 # |_| |_|\___/ \__,_|\___||___/ #
1022 #----------------------------------------------------------#
1026 "comment" => "virtual fp Add: Add(a, b) = Add(b, a) = a + b",
1027 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1028 "reg_req" => { "in" => [ "gp", "gp", "vfp", "vfp", "none" ], "out" => [ "vfp" ] },
1029 "outs" => [ "res", "M" ],
1034 "comment" => "virtual fp Mul: Mul(a, b) = Mul(b, a) = a * b",
1035 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1036 "reg_req" => { "in" => [ "gp", "gp", "vfp", "vfp", "none" ], "out" => [ "vfp" ] },
1037 "outs" => [ "res", "M" ],
1042 "cmp_attr" => " return 1;\n",
1043 "comment" => "lowered virtual fp Mul: Mul(a, b) = Mul(b, a) = a * b",
1049 "comment" => "virtual fp Sub: Sub(a, b) = a - b",
1050 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1051 "reg_req" => { "in" => [ "gp", "gp", "vfp", "vfp", "none" ], "out" => [ "vfp" ] },
1052 "outs" => [ "res", "M" ],
1056 "cmp_attr" => " return 1;\n",
1057 "comment" => "lowered virtual fp Sub: Sub(a, b) = a - b",
1062 "comment" => "virtual fp Div: Div(a, b) = a / b",
1063 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1064 "reg_req" => { "in" => [ "gp", "gp", "vfp", "vfp", "none" ], "out" => [ "vfp" ] },
1065 "outs" => [ "res", "M" ],
1069 "cmp_attr" => " return 1;\n",
1070 "comment" => "lowered virtual fp Div: Div(a, b) = a / b",
1076 "comment" => "virtual fp Abs: Abs(a) = |a|",
1077 "reg_req" => { "in" => [ "vfp"], "out" => [ "vfp" ] },
1082 "comment" => "virtual fp Chs: Chs(a) = -a",
1083 "reg_req" => { "in" => [ "vfp"], "out" => [ "vfp" ] },
1088 "comment" => "virtual fp Sin: Sin(a) = sin(a)",
1089 "reg_req" => { "in" => [ "vfp"], "out" => [ "vfp" ] },
1094 "comment" => "virtual fp Cos: Cos(a) = cos(a)",
1095 "reg_req" => { "in" => [ "vfp"], "out" => [ "vfp" ] },
1100 "comment" => "virtual fp Sqrt: Sqrt(a) = a ^ 0.5",
1101 "reg_req" => { "in" => [ "vfp"], "out" => [ "vfp" ] },
1104 # virtual Load and Store
1107 "op_flags" => "L|F",
1109 "state" => "exc_pinned",
1110 "comment" => "virtual fp Load: Load(ptr, mem) = LD ptr -> reg",
1111 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1112 "reg_req" => { "in" => [ "gp", "gp", "none" ], "out" => [ "vfp", "none" ] },
1113 "outs" => [ "res", "M" ],
1117 "op_flags" => "L|F",
1118 "state" => "exc_pinned",
1119 "comment" => "virtual fp Store: Store(ptr, val, mem) = ST ptr,val",
1120 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1121 "reg_req" => { "in" => [ "gp", "gp", "vfp", "none" ] },
1129 "comment" => "virtual fp integer Load: Load(ptr, mem) = iLD ptr -> reg",
1130 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1131 "reg_req" => { "in" => [ "gp", "gp", "none" ], "out" => [ "vfp", "none" ] },
1132 "outs" => [ "res", "M" ],
1136 "cmp_attr" => " return 1;\n",
1137 "comment" => "lowered virtual fp integer Load: Load(ptr, mem) = iLD ptr -> reg",
1138 "outs" => [ "res", "M" ],
1143 "comment" => "virtual fp integer Store: Store(ptr, val, mem) = iST ptr,val",
1144 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1145 "reg_req" => { "in" => [ "gp", "gp", "vfp", "none" ] },
1150 "cmp_attr" => " return 1;\n",
1151 "comment" => "lowered virtual fp integer Store: Store(ptr, val, mem) = iST ptr,val",
1161 "comment" => "virtual fp Load 0.0: Ld 0.0 -> reg",
1162 "reg_req" => { "out" => [ "vfp" ] },
1167 "comment" => "virtual fp Load 1.0: Ld 1.0 -> reg",
1168 "reg_req" => { "out" => [ "vfp" ] },
1173 "comment" => "virtual fp Load pi: Ld pi -> reg",
1174 "reg_req" => { "out" => [ "vfp" ] },
1179 "comment" => "virtual fp Load ln 2: Ld ln 2 -> reg",
1180 "reg_req" => { "out" => [ "vfp" ] },
1185 "comment" => "virtual fp Load lg 2: Ld lg 2 -> reg",
1186 "reg_req" => { "out" => [ "vfp" ] },
1191 "comment" => "virtual fp Load ld 10: Ld ld 10 -> reg",
1192 "reg_req" => { "out" => [ "vfp" ] },
1197 "comment" => "virtual fp Load ld e: Ld ld e -> reg",
1198 "reg_req" => { "out" => [ "vfp" ] },
1204 "init_attr" => " set_ia32_ls_mode(res, mode);",
1205 "comment" => "represents a virtual floating point constant",
1206 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1207 "reg_req" => { "in" => [ "none" ], "out" => [ "vfp" ] },
1213 "op_flags" => "L|X|Y",
1214 "comment" => "represents a virtual floating point compare",
1215 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1216 "reg_req" => { "in" => [ "gp", "gp", "vfp", "vfp", "none" ], "out" => [ "none", "none", "eax" ] },
1217 "outs" => [ "false", "true", "temp_reg_eax" ],
1220 #------------------------------------------------------------------------#
1221 # ___ _____ __ _ _ _ #
1222 # __ _( _ )___ | / _| | ___ __ _| |_ _ __ ___ __| | ___ ___ #
1223 # \ \/ / _ \ / / | |_| |/ _ \ / _` | __| | '_ \ / _ \ / _` |/ _ \/ __| #
1224 # > < (_) |/ / | _| | (_) | (_| | |_ | | | | (_) | (_| | __/\__ \ #
1225 # /_/\_\___//_/ |_| |_|\___/ \__,_|\__| |_| |_|\___/ \__,_|\___||___/ #
1226 #------------------------------------------------------------------------#
1230 "rd_constructor" => "NONE",
1231 "comment" => "x87 Add: Add(a, b) = Add(b, a) = a + b",
1233 "emit" => '. fadd %ia32_emit_x87_binop /* x87 fadd(%A1, %A2) -> %D1 */',
1238 "rd_constructor" => "NONE",
1239 "comment" => "x87 Add: Add(a, b) = Add(b, a) = a + b",
1241 "emit" => '. faddp %ia32_emit_x87_binop /* x87 fadd(%A1, %A2) -> %D1 */',
1246 "rd_constructor" => "NONE",
1247 "comment" => "x87 fp Mul: Mul(a, b) = Mul(b, a) = a + b",
1249 "emit" => '. fmul %ia32_emit_x87_binop /* x87 fmul(%A1, %A2) -> %D1 */',
1254 "rd_constructor" => "NONE",
1255 "comment" => "x87 fp Mul: Mul(a, b) = Mul(b, a) = a + b",
1257 "emit" => '. fmulp %ia32_emit_x87_binop /* x87 fmul(%A1, %A2) -> %D1 */',,
1262 "rd_constructor" => "NONE",
1263 "comment" => "x87 fp Sub: Sub(a, b) = a - b",
1265 "emit" => '. fsub %ia32_emit_x87_binop /* x87 fsub(%A1, %A2) -> %D1 */',
1270 "rd_constructor" => "NONE",
1271 "comment" => "x87 fp Sub: Sub(a, b) = a - b",
1273 "emit" => '. fsubp %ia32_emit_x87_binop /* x87 fsub(%A1, %A2) -> %D1 */',
1278 "rd_constructor" => "NONE",
1280 "comment" => "x87 fp SubR: SubR(a, b) = b - a",
1282 "emit" => '. fsubr %ia32_emit_x87_binop /* x87 fsubr(%A1, %A2) -> %D1 */',
1287 "rd_constructor" => "NONE",
1289 "comment" => "x87 fp SubR: SubR(a, b) = b - a",
1291 "emit" => '. fsubrp %ia32_emit_x87_binop /* x87 fsubr(%A1, %A2) -> %D1 */',
1296 "rd_constructor" => "NONE",
1297 "comment" => "x87 fp Div: Div(a, b) = a / b",
1299 "emit" => '. fdiv %ia32_emit_x87_binop /* x87 fdiv(%A1, %A2) -> %D1 */',
1304 "rd_constructor" => "NONE",
1305 "comment" => "x87 fp Div: Div(a, b) = a / b",
1307 "emit" => '. fdivp %ia32_emit_x87_binop /* x87 fdiv(%A1, %A2) -> %D1 */',
1312 "rd_constructor" => "NONE",
1313 "comment" => "x87 fp DivR: DivR(a, b) = b / a",
1315 "emit" => '. fdivr %ia32_emit_x87_binop /* x87 fdivr(%A1, %A2) -> %D1 */',
1320 "rd_constructor" => "NONE",
1321 "comment" => "x87 fp DivR: DivR(a, b) = b / a",
1323 "emit" => '. fdivrp %ia32_emit_x87_binop /* x87 fdivr(%A1, %A2) -> %D1 */',
1328 "rd_constructor" => "NONE",
1329 "comment" => "x87 fp Abs: Abs(a) = |a|",
1331 "emit" => '. fabs /* x87 fabs(%S1) -> %D1 */',
1336 "rd_constructor" => "NONE",
1337 "comment" => "x87 fp Chs: Chs(a) = -a",
1339 "emit" => '. fchs /* x87 fchs(%S1) -> %D1 */',
1344 "rd_constructor" => "NONE",
1345 "comment" => "x87 fp Sin: Sin(a) = sin(a)",
1347 "emit" => '. fsin /* x87 sin(%S1) -> %D1 */',
1352 "rd_constructor" => "NONE",
1353 "comment" => "x87 fp Cos: Cos(a) = cos(a)",
1355 "emit" => '. fcos /* x87 cos(%S1) -> %D1 */',
1360 "rd_constructor" => "NONE",
1361 "comment" => "x87 fp Sqrt: Sqrt(a) = a ^ 0.5",
1363 "emit" => '. fsqrt $ /* x87 sqrt(%S1) -> %D1 */',
1366 # x87 Load and Store
1369 "rd_constructor" => "NONE",
1370 "op_flags" => "R|L|F",
1371 "state" => "exc_pinned",
1372 "comment" => "x87 fp Load: Load(ptr, mem) = LD ptr -> reg",
1374 "emit" => '. fld %ia32_emit_am /* Load((%A1)) -> %D1 */',
1378 "rd_constructor" => "NONE",
1379 "op_flags" => "R|L|F",
1380 "state" => "exc_pinned",
1381 "comment" => "x87 fp Store: Store(ptr, val, mem) = ST ptr,val",
1383 "emit" => '. fst %ia32_emit_am /* Store(%A3) -> (%A1) */',
1387 "rd_constructor" => "NONE",
1388 "op_flags" => "R|L|F",
1389 "state" => "exc_pinned",
1390 "comment" => "x87 fp Store: Store(ptr, val, mem) = ST ptr,val",
1392 "emit" => '. fstp %ia32_emit_am /* Store(%A3) -> (%A1) and pop */',
1400 "rd_constructor" => "NONE",
1401 "comment" => "x87 fp integer Load: Load(ptr, mem) = iLD ptr -> reg",
1403 "emit" => '. fild %ia32_emit_am /* integer Load((%A1)) -> %D1 */',
1408 "rd_constructor" => "NONE",
1409 "comment" => "x87 fp integer Store: Store(ptr, val, mem) = iST ptr,val",
1411 "emit" => '. fist %ia32_emit_am /* integer Store(%A3) -> (%A1) */',
1416 "rd_constructor" => "NONE",
1417 "comment" => "x87 fp integer Store: Store(ptr, val, mem) = iST ptr,val",
1419 "emit" => '. fistp %ia32_emit_am /* integer Store(%A3) -> (%A1) and pop */',
1426 "rd_constructor" => "NONE",
1427 "comment" => "x87 fp Load 0.0: Ld 0.0 -> reg",
1429 "emit" => '. fldz /* x87 0.0 -> %D1 */',
1434 "rd_constructor" => "NONE",
1435 "comment" => "x87 fp Load 1.0: Ld 1.0 -> reg",
1437 "emit" => '. fld1 /* x87 1.0 -> %D1 */',
1442 "rd_constructor" => "NONE",
1443 "comment" => "x87 fp Load pi: Ld pi -> reg",
1445 "emit" => '. fldpi /* x87 pi -> %D1 */',
1450 "rd_constructor" => "NONE",
1451 "comment" => "x87 fp Load ln 2: Ld ln 2 -> reg",
1453 "emit" => '. fldln2 /* x87 ln(2) -> %D1 */',
1458 "rd_constructor" => "NONE",
1459 "comment" => "x87 fp Load lg 2: Ld lg 2 -> reg",
1461 "emit" => '. fldlg2 /* x87 log(2) -> %D1 */',
1466 "rd_constructor" => "NONE",
1467 "comment" => "x87 fp Load ld 10: Ld ld 10 -> reg",
1469 "emit" => '. fldll2t /* x87 ld(10) -> %D1 */',
1474 "rd_constructor" => "NONE",
1475 "comment" => "x87 fp Load ld e: Ld ld e -> reg",
1477 "emit" => '. fldl2e /* x87 ld(e) -> %D1 */',
1481 "op_flags" => "R|c",
1483 "rd_constructor" => "NONE",
1484 "comment" => "represents a x87 constant",
1485 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1486 "reg_req" => { "out" => [ "st" ] },
1487 "emit" => '. fld %ia32_emit_adr /* Load fConst into register -> %D1 */',
1491 # Note that it is NEVER allowed to do CSE on these nodes
1494 "op_flags" => "R|K",
1495 "comment" => "x87 stack exchange",
1496 "reg_req" => { "in" => [ "st"], "out" => [ "st" ] },
1497 "cmp_attr" => " return 1;\n",
1498 "emit" => '. fxch %X1 /* x87 swap %X1, %X3 */',
1503 "comment" => "x87 stack push",
1504 "reg_req" => { "in" => [ "st"], "out" => [ "st" ] },
1505 "cmp_attr" => " return 1;\n",
1506 "emit" => '. fld %X1 /* x87 push %X1 */',
1510 "op_flags" => "R|K",
1511 "comment" => "x87 stack pop",
1512 "reg_req" => { "in" => [ "st"], "out" => [ "st" ] },
1513 "cmp_attr" => " return 1;\n",
1514 "emit" => '. fstp %X1 /* x87 pop %X1 */',
1520 "op_flags" => "L|X|Y",
1521 "comment" => "floating point compare",
1522 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1527 "op_flags" => "L|X|Y",
1528 "comment" => "floating point compare and pop",
1529 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1534 "op_flags" => "L|X|Y",
1535 "comment" => "floating point compare and pop twice",
1536 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1541 "op_flags" => "L|X|Y",
1542 "comment" => "floating point compare reverse",
1543 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1548 "op_flags" => "L|X|Y",
1549 "comment" => "floating point compare reverse and pop",
1550 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",
1555 "op_flags" => "L|X|Y",
1556 "comment" => "floating point compare reverse and pop twice",
1557 "cmp_attr" => " return ia32_compare_immop_attr(attr_a, attr_b);\n",